201211210202 has 16 divisors (see below), whose sum is σ = 302056613352. Its totient is φ = 100525708800.

The previous prime is 201211210199. The next prime is 201211210241. The reversal of 201211210202 is 202012112102.

It can be written as a sum of positive squares in 4 ways, for example, as 190245141241 + 10966068961 = 436171^2 + 104719^2 .

It is a super-3 number, since 3×201211210202³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16219202 + ... + 16231602.

Almost surely, 2^201211210202 is an apocalyptic number.

201211210202 is a deficient number, since it is larger than the sum of its proper divisors (100845403150).

201211210202 is a wasteful number, since it uses less digits than its factorization.

201211210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18193.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201211210202 its reverse (202012112102), we get a palindrome (403223322304).

The spelling of 201211210202 in words is "two hundred one billion, two hundred eleven million, two hundred ten thousand, two hundred two".